From 133dc91561bf22ee22a512837a8570f8d5a42a47 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Burak=20Kaan=20K=C3=B6se?= <bkaankose@outlook.com>
Date: Sat, 10 Aug 2024 14:35:01 +0200
Subject: [PATCH] Prevent crashes on invalid Uri for protocol activation.

---
 .../Activation/ProtocolActivationHandler.cs   | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Wino.Mail/Activation/ProtocolActivationHandler.cs b/Wino.Mail/Activation/ProtocolActivationHandler.cs
index 37e116dd..3928523c 100644
--- a/Wino.Mail/Activation/ProtocolActivationHandler.cs
+++ b/Wino.Mail/Activation/ProtocolActivationHandler.cs
@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using System.Web;
 using CommunityToolkit.Mvvm.Messaging;
 using Windows.ApplicationModel.Activation;
@@ -51,5 +52,21 @@ namespace Wino.Activation
 
             return Task.CompletedTask;
         }
+
+        protected override bool CanHandleInternal(ProtocolActivatedEventArgs args)
+        {
+            // Validate the URI scheme.
+
+            try
+            {
+                var uriGet = args.Uri;
+            }
+            catch (UriFormatException)
+            {
+                return false;
+            }
+
+            return base.CanHandleInternal(args);
+        }
     }
 }